Class: LedgerSync::Serialization::DeserializerAttribute

Inherits:
Attribute
  • Object
show all
Defined in:
lib/ledger_sync/serialization/deserializer_attribute.rb

Instance Attribute Summary

Attributes inherited from Attribute

#block, #hash_attribute, #resource_attribute, #resource_class, #type

Instance Method Summary collapse

Methods inherited from Attribute

#block_value_for, #hash_attribute_dot_parts, #reference?, #references_many?, #references_one?, #resource_attribute_dot_parts

Constructor Details

#initialize(args = {}) ⇒ DeserializerAttribute

Returns a new instance of DeserializerAttribute.



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 8

def initialize(args = {})
  super

  raise 'Missing resource_attribute' if resource_attribute.blank?
  raise 'block and hash_attribute cannot both be present' unless block.nil? || hash_attribute.nil?
end

Instance Method Details

#value_from_hash(hash:, resource:) ⇒ Object 



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 15

def value_from_hash(hash:, resource:)
  value = hash.dig(*hash_attribute.split('.'))

  value = type.convert(value: value)

  return value if resource_attribute_dot_parts.count <= 1

  nested_resource = resource.send(resource_attribute_dot_parts.first)
  nested_resource ||= resource_attribute_class(resource: resource).new

  build_resource_value_from_nested_attributes(
    nested_resource,
    value,
    resource_attribute_dot_parts[1..-1]
  )
end